As the clash over 'pink slime' continues, some meat producers asked the U.S. Dept. of Agriculture for the ability to label packages of beef treated with ammonia, also known as lean finely textured beef (LFTB) or "pink slime".

Des Moines -
Iowa Gov. Terry Branstad has called for a a congressional investigation to determine who is behind what he dubs the pink slime "smear campaign" that is maligning the good name of healthy ammonia-treated finely textured beef.